CPC Subgroup
H04N 19/117 Filters, e.g. for pre-processing or post-processing (sub-band filter banks H04N19/635)
Full Title
Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > using adaptive coding > characterised by the element, parameter or selection affected or controlled by the adaptive coding > Filters, e.g. for pre-processing or post-processing (sub-band filter banks H04N19/635)